Postgame
FilingsForm 4

Funds tied to Magnetar Financial sold $96.13 million of CoreWeave stock on Sep 10, 2025

From the public record1 min read

Published Filed
Value$96.13 million, held indirectly
Shares811,800, held indirectly
Average price$118.42
FiledSep 11

Written by Claude Sonnet 5.5, an AI model, from public records. Each figure in it was checked automatically against the source's text or our database before it was published.

Funds tied to Magnetar Financial sold 811,800 CoreWeave shares on Sep 10, 2025, at an average of $118.42 a share, or $96.13 million in all. Magnetar Financial is named on the Form 4, the form an insider files when trading a company's shares, as an owner of more than 10% of CoreWeave's shares. The form was filed on Sep 11, 2025 and is on SEC EDGAR.12345678910

How each figure was checked10 facts
  1. CoreWeave Form 4 0001410578-25-002196: sidesaleOur database
  2. CoreWeave Form 4 0001410578-25-002196: shares811,800Our database
  3. CoreWeave Form 4 0001410578-25-002196: first dateSep 10, 2025Our database
  4. CoreWeave Form 4 0001410578-25-002196: average price$118.42Our database
  5. CoreWeave Form 4 0001410578-25-002196: value$96.13 millionOur database
  6. Magnetar Financial's tie to the funds that hold the shares: investment adviser, general partner or managerForm 4 footnotes and remarks ↗
  7. CoreWeave: nameCoreWeaveOur database
  8. CoreWeave Form 4 0001410578-25-002196: ownerMagnetar Financial LLCOur database
  9. CoreWeave Form 4 0001410578-25-002196: relationshipowner of more than 10% of the sharesOur database
  10. CoreWeave Form 4 0001410578-25-002196: filed onSep 11, 2025Our database

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The record

Issuer
CoreWeave (CIK 1769628, filed as CoreWeave, Inc.)
Form
4
Accession
0001410578-25-002196
Filed
Sep 11, 2025
Period of report
Sep 10, 2025
Reporting owner 1
Magnetar Financial LLC (CIK 1352851)
Relationship
owner of more than 10% of the shares
Reporting owner 2
Magnetar Capital Partners LP (CIK 1353085)
Relationship
owner of more than 10% of the shares
Reporting owner 3
Supernova Management LLC (CIK 1368026)
Relationship
owner of more than 10% of the shares
Reporting owner 4
David J. Snyderman (CIK 1953511, filed as Snyderman David J.)
Relationship
owner of more than 10% of the shares
Rule 10b5-1 checkbox
Not ticked
Line 1
S (sale) · 53,819 Class A Common Stock at $118.39 · Sep 10, 2025 · disposed, indirectly, Footnotes · 7,086,387 held after · footnotes F1, F2, F3, F4 and F5
Line 2
S (sale) · 222,734 Class A Common Stock at $118.42 · Sep 10, 2025 · disposed, indirectly, Footnotes · 28,616,430 held after · footnotes F2, F3, F4 and F6
Line 3
S (sale) · 29,201 Class A Common Stock at $118.42 · Sep 10, 2025 · disposed, indirectly, Footnotes · 2,415,822 held after · footnotes F2, F3, F4 and F7
Line 4
S (sale) · 3,019 Class A Common Stock at $118.42 · Sep 10, 2025 · disposed, indirectly, Footnotes · 387,894 held after · footnotes F2, F3, F4 and F8
Line 5
S (sale) · 65,094 Class A Common Stock at $118.42 · Sep 10, 2025 · disposed, indirectly, Footnotes · 6,905,825 held after · footnotes F2, F3, F4 and F9
Line 6
S (sale) · 89,367 Class A Common Stock at $118.42 · Sep 10, 2025 · disposed, indirectly, Footnotes · 8,811,691 held after · footnotes F2, F3, F4 and F10
Line 7
S (sale) · 112,020 Class A Common Stock at $118.42 · Sep 10, 2025 · disposed, indirectly, Footnotes · 9,715,199 held after · footnotes F2, F3, F4 and F11
Line 8
S (sale) · 25,310 Class A Common Stock at $118.42 · Sep 10, 2025 · disposed, indirectly, Footnotes · 1,915,926 held after · footnotes F2, F3, F4 and F12
Line 9
S (sale) · 95,289 Class A Common Stock at $118.42 · Sep 10, 2025 · disposed, indirectly, Footnotes · 11,334,693 held after · footnotes F2, F3, F4 and F13
Line 10
S (sale) · 58,727 Class A Common Stock at $118.42 · Sep 10, 2025 · disposed, indirectly, Footnotes · 4,873,309 held after · footnotes F2, F3, F4 and F14
Line 11
S (sale) · 47,308 Class A Common Stock at $118.42 · Sep 10, 2025 · disposed, indirectly, Footnotes · 4,326,489 held after · footnotes F2, F3, F4 and F15
Line 12
S (sale) · 9,912 Class A Common Stock at $118.42 · Sep 10, 2025 · disposed, indirectly, Footnotes · 1,143,763 held after · footnotes F2, F3, F4 and F16
Derivative line 1
S (sale) · 91,114 Call option (obligation to sell) at $1,002,254.00 · Sep 10, 2025 · disposed, indirectly, Footnotes · 91,114 held after · footnotes F2, F3, F4, F5 and F18
Derivative line 2
P (purchase) · 91,114 Put option (right to sell) at $1,184,482.00 · Sep 10, 2025 · acquired, indirectly, Footnotes · 91,114 held after · footnotes F2, F3, F4, F5 and F18
Derivative line 3
S (sale) · 414,002 Call option (obligation to sell) at $4,554,022.00 · Sep 10, 2025 · disposed, indirectly, Footnotes · 414,002 held after · footnotes F2, F3, F4, F6 and F18
Derivative line 4
P (purchase) · 414,002 Put option (right to sell) at $5,382,026.00 · Sep 10, 2025 · acquired, indirectly, Footnotes · 414,002 held after · footnotes F2, F3, F4, F6 and F18
Derivative line 5
S (sale) · 54,277 Call option (obligation to sell) at $597,047.00 · Sep 10, 2025 · disposed, indirectly, Footnotes · 54,277 held after · footnotes F2, F3, F4, F7 and F18
Derivative line 6
P (purchase) · 54,277 Put option (right to sell) at $705,601.00 · Sep 10, 2025 · acquired, indirectly, Footnotes · 54,277 held after · footnotes F2, F3, F4, F7 and F18
Derivative line 7
S (sale) · 5,612 Call option (obligation to sell) at $61,732.00 · Sep 10, 2025 · disposed, indirectly, Footnotes · 5,612 held after · footnotes F2, F3, F4, F8 and F18
Derivative line 8
P (purchase) · 5,612 Put option (right to sell) at $72,956.00 · Sep 10, 2025 · acquired, indirectly, Footnotes · 5,612 held after · footnotes F2, F3, F4, F8 and F18
Derivative line 9
S (sale) · 120,993 Call option (obligation to sell) at $1,330,923.00 · Sep 10, 2025 · disposed, indirectly, Footnotes · 120,993 held after · footnotes F2, F3, F4, F9 and F18
Derivative line 10
P (purchase) · 120,993 Put option (right to sell) at $1,572,909.00 · Sep 10, 2025 · acquired, indirectly, Footnotes · 120,993 held after · footnotes F2, F3, F4, F9 and F18
Derivative line 11
S (sale) · 166,109 Call option (obligation to sell) at $1,827,199.00 · Sep 10, 2025 · disposed, indirectly, Footnotes · 166,109 held after · footnotes F2, F3, F4, F10 and F18
Derivative line 12
P (purchase) · 166,109 Put option (right to sell) at $2,159,417.00 · Sep 10, 2025 · acquired, indirectly, Footnotes · 166,109 held after · footnotes F2, F3, F4, F10 and F18
Derivative line 13
S (sale) · 208,216 Call option (obligation to sell) at $2,290,376.00 · Sep 10, 2025 · disposed, indirectly, Footnotes · 208,216 held after · footnotes F2, F3, F4, F11 and F18
Derivative line 14
P (purchase) · 208,216 Put option (right to sell) at $2,706,808.00 · Sep 10, 2025 · acquired, indirectly, Footnotes · 208,216 held after · footnotes F2, F3, F4, F11 and F18
Derivative line 15
S (sale) · 47,045 Call option (obligation to sell) at $517,495.00 · Sep 10, 2025 · disposed, indirectly, Footnotes · 47,045 held after · footnotes F2, F3, F4, F12 and F18
Derivative line 16
P (purchase) · 47,045 Put option (right to sell) at $611,585.00 · Sep 10, 2025 · acquired, indirectly, Footnotes · 47,045 held after · footnotes F2, F3, F4, F12 and F18
Footnote F1
The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $118.10 to $118.42, inclusive. The reporting person undertakes to provide to CoreWeave, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.
Footnote F2
Magnetar Financial LLC ("Magnetar Financial") serves as the investment adviser to each of CW Opportunity LLC, CW Opportunity 2 LP, Magnetar Capital Master Fund, Ltd, Magnetar Constellation Master Fund, Ltd, Magnetar Longhorn Fund LP, Magnetar SC Fund Ltd, Magnetar Xing He Master Fund Ltd, Purpose Alternative Credit Fund - F LLC, Purpose Alternative Credit Fund - T LLC, and Longhorn Special Opportunities Fund LP, the general partner of Magnetar Structured Credit Fund, LP and the manager of Magnetar Alpha Star Fund LLC and Magnetar Lake Credit Fund LLC (collectively, the "Magnetar Funds").
Footnote F3
Magnetar Capital Partners LP ("Magnetar Capital Partners") is the sole member and parent holding company of Magnetar Financial. Supernova Management LLC ("Supernova Management") is the general partner of Magnetar Capital Partners. The manager of Supernova Management is David J. Snyderman, a citizen of the United States of America.
Footnote F4
Each of the Magnetar Funds, Magnetar Financial, Magnetar Capital Partners, Supernova Management and David J. Snyderman disclaims beneficial ownership of these shares of Common Stock of the Issuer, except to the extent of its or his pecuniary interest therein.
Footnote F5
These securities are held directly by CW Opportunity 2 LP.
Footnote F6
These securities are held directly by CW Opportunity LLC.
Footnote F7
These securities are held directly by Magnetar Alpha Star Fund LLC.
Footnote F8
These securities are held directly by Magnetar Capital Master Fund, Ltd.
Footnote F9
These securities are held directly by Magnetar Constellation Master Fund, Ltd.
Footnote F10
These securities are held directly by Magnetar Lake Credit Fund LLC.
Footnote F11
These securities are held directly by Magnetar Longhorn Fund LP.
Footnote F12
These securities are held directly by Magnetar SC Fund Ltd.
Footnote F13
These securities are held directly by Magnetar Structured Credit Fund, LP.
Footnote F14
These securities are held directly by Magnetar Xing He Master Fund Ltd.
Footnote F15
These securities are held directly by Purpose Alternative Credit Fund - F LLC.
Footnote F16
These securities are held directly by Purpose Alternative Credit Fund - T LLC.
Footnote F17
These securities are held directly by Longhorn Special Opportunities Fund LP.
Footnote F18
The entity holding the underlying shares of Class A common stock (the "Common Stock") of the Issuer entered into a collar arrangement pursuant to which such entity wrote a covered call option and purchased a put option. Only one of the options can be in-the-money on the expiration date, at which time the in-the-money option will be exercised and settled in shares and the other option will expire. If neither option is in-the-money on the expiration date, both options will expire.
Open the source ↗

Insider purchases and sales of CoreWeave shares, since Aug 29, 2025

Total$580.14 million sold
Magnetar Financial LLC · sold, held indirectly$282.52 million
Jack Cogen · sold, held indirectly$105.3 million
Brannin McBee · sold, held indirectly$72.24 million
Brannin McBee · sold$48.16 million
Kristen McVeety · sold$29.68 million
Brian Venturo · sold, held indirectly$29.1 million
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About CoreWeave

CoreWeave page →
Revenue$5.13 billionYear to Dec 31, 2025 · +167.94% year over year
Operating income−$46 millionYear to Dec 31, 2025 · −114.2% year over year
Net income−$1.17 billionYear to Dec 31, 2025 · −35.23% year over year

Source: SEC EDGAR XBRL financial data · filed Aug 12, 2026

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Sources

  1. SEC EDGAR, Form 4 filed Sep 11, 2025
  2. How we collect our data
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